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Quantum bits (qubits) are the building blocks of quantum computers, but putting enough of them together in the one place to run computations like those expected in a standard computer is difficult to say the least. But now researche...

Quantum computers could immeasurably speed up the rate at which calculations run—but so far, their promise has yet to be realized. Now, a team of researchers has built a versatile quantum chip that it reckons could be pieced togethe...

One challenge to building optical computing devices and some quantum computers is finding a source of single photons. There are a lot of different techniques, but many of them aren’t very practical, requiring lots of space and cryog...

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link "People have already built small qu...